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Proceedings Paper

Maximally entangled spin states in equivalent-neighbor systems of quantum dots in a microcavity
Author(s): Adam Miranowicz; Sahin Kaya Ozdemir; Yu-xi Liu; W. Leonski; M. Koashi; Nobuyuki Imoto; Yoshiro Hirayama; Jiri Bajer
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Paper Abstract

We analyze generation of maximally entangled states (EPR and W states) of the conduction-band electron spins in systems of an arbitrary number of semiconductor quantum dots under equivalent-neighbor interactions mediated by a single-mode cavity field. We show that the perfect EPR states in bipartite systems and perfect W states in multipartite ones can only be generatcd in systems of up to six and four dots, respectively, with single or equivalently, all dots except one excited.

Paper Details

Date Published: 21 November 2003
PDF: 5 pages
Proc. SPIE 5259, 13th Polish-Czech-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics, (21 November 2003);
Show Author Affiliations
Adam Miranowicz, Adam Mickiewicz Univ. (Poland)
Sahin Kaya Ozdemir, CREST/SOKENDAI (Japan)
Yu-xi Liu, Institute of Physical and Chemical Research (RIKEN) (Japan)
W. Leonski, Adam Mickiewicz Univ. (Poland)
M. Koashi, CREST/SOKENDAI (Japan)
Nobuyuki Imoto, CREST/SOKENDAI (Japan)
Yoshiro Hirayama, CREST (Japan)
NTT Labs. (Japan)
Jiri Bajer, Palacky Univ. (Czech Republic)

Published in SPIE Proceedings Vol. 5259:
13th Polish-Czech-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics
Jerzy Nowak; Marek Zajac; Jan Masajada, Editor(s)

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